<html>
        <head>
            <meta charset="UTF-8" />
            <title>用爱发电，用手机发热</title>
            <style>
                html, body {
                    overflow: hidden;
                    width   : 100%;
                    height  : 100%;
                    margin  : 0;
                    padding : 0;
                }
            
                #renderCanvas {
                    width   : 100%;
                    height  : 90%;
                    touch-action: none;
                }

                #controller{
                    width: 100%;
                    height: 10%;
                    text-align: center;
                }
            </style>
        </head>
        <body>
            <canvas id="renderCanvas"></canvas>
            <div id="controller">
                <button id="turnLt" style="width:300px;height:100%;">向左</button>
                <button id="turnRt" style="width:300px;height:100%;">向右</button>
            </div>
            <script src="./built/app.js"></script>
        </body>
    </html>